import {login, getInfo} from '@/api/user'
import {getToken, setToken, removeToken} from '@/utils/auth'
import router, {resetRouter} from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    username: '',
    avatar: '',
    role: ''
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.username = name
  },
  SET_ROLE: (state, role) => {
    state.role = role
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  }
}

const actions = {
  // user login
  login({commit}, userInfo) {
    const {username, userPassword} = userInfo
    return new Promise((resolve, reject) => {
      login({username: username.trim(), userPassword: userPassword}).then(response => {
        const {data} = response
        commit('SET_TOKEN', data.token)
        setToken(data.token)
        console.log(data.role)
        resolve(data.role)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({commit, state}) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const {data} = response

        if (!data) {
          return reject('Verification failed, please Login again.')
        }

        const {username, role} = data
        commit('SET_NAME', username)
        commit('SET_ROLE', role)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // 退出登录
  logout({commit, state}) {
    return new Promise((resolve, reject) => {
      removeToken() // must remove  token  first
      resetRouter()
      commit('RESET_STATE')
      resolve()
    })
  },
  // remove token
  resetToken({commit}) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

